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/*
* Copyright (C) 2009 Apple Inc. All Rights Reserved.
* Copyright (C) 2009, 2011 Google Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "CertificateInfo.h"
#include "ContentSecurityPolicyResponseHeaders.h"
#include "CrossOriginEmbedderPolicy.h"
#include "FetchOptions.h"
#include "ResourceError.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "ScriptBuffer.h"
#include "ScriptExecutionContextIdentifier.h"
#include "ServiceWorkerRegistrationData.h"
#include "ThreadableLoader.h"
#include "ThreadableLoaderClient.h"
#include <memory>
#include <wtf/FastMalloc.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/URL.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
class Exception;
class ScriptExecutionContext;
class TextResourceDecoder;
class WorkerScriptLoaderClient;
struct ServiceWorkerRegistrationData;
struct WorkerFetchResult;
enum class CertificateInfoPolicy : uint8_t;
class WorkerScriptLoader : public RefCounted<WorkerScriptLoader>, public ThreadableLoaderClient {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<WorkerScriptLoader> create()
{
return adoptRef(*new WorkerScriptLoader);
}
enum class Source : uint8_t { ClassicWorkerScript, ClassicWorkerImport, ModuleScript };
std::optional<Exception> loadSynchronously(ScriptExecutionContext*, const URL&, Source, FetchOptions::Mode, FetchOptions::Cache, ContentSecurityPolicyEnforcement, const String& initiatorIdentifier);
void loadAsynchronously(ScriptExecutionContext&, ResourceRequest&&, Source, FetchOptions&&, ContentSecurityPolicyEnforcement, ServiceWorkersMode, WorkerScriptLoaderClient&, String&& taskMode, ScriptExecutionContextIdentifier clientIdentifier = { });
void notifyError();
const ScriptBuffer& script() const { return m_script; }
const ContentSecurityPolicyResponseHeaders& contentSecurityPolicy() const { return m_contentSecurityPolicy; }
const String& referrerPolicy() const { return m_referrerPolicy; }
const CrossOriginEmbedderPolicy& crossOriginEmbedderPolicy() const { return m_crossOriginEmbedderPolicy; }
const URL& url() const { return m_url; }
const URL& lastRequestURL() const { return m_lastRequestURL; }
const URL& responseURL() const;
ResourceResponse::Source responseSource() const { return m_responseSource; }
bool isRedirected() const { return m_isRedirected; }
const CertificateInfo& certificateInfo() const { return m_certificateInfo; }
const String& responseMIMEType() const { return m_responseMIMEType; }
bool failed() const { return m_failed; }
ResourceLoaderIdentifier identifier() const { return m_identifier; }
const ResourceError& error() const { return m_error; }
WorkerFetchResult fetchResult() const;
void redirectReceived(const URL& redirectURL) override;
void didReceiveResponse(ResourceLoaderIdentifier, const ResourceResponse&) override;
void didReceiveData(const SharedBuffer&) override;
void didFinishLoading(ResourceLoaderIdentifier, const NetworkLoadMetrics&) override;
void didFail(const ResourceError&) override;
void cancel();
WEBCORE_EXPORT static ResourceError validateWorkerResponse(const ResourceResponse&, Source, FetchOptions::Destination);
WEBCORE_EXPORT static WorkerScriptLoader* fromScriptExecutionContextIdentifier(ScriptExecutionContextIdentifier);
#if ENABLE(SERVICE_WORKER)
WEBCORE_EXPORT bool setControllingServiceWorker(ServiceWorkerData&&);
std::optional<ServiceWorkerData> takeServiceWorkerData() { return std::exchange(m_activeServiceWorkerData, { }); }
#endif
ScriptExecutionContextIdentifier clientIdentifier() const { return m_clientIdentifier; }
const String& userAgentForSharedWorker() const { return m_userAgentForSharedWorker; }
private:
friend class RefCounted<WorkerScriptLoader>;
friend struct std::default_delete<WorkerScriptLoader>;
WorkerScriptLoader();
~WorkerScriptLoader();
std::unique_ptr<ResourceRequest> createResourceRequest(const String& initiatorIdentifier);
void notifyFinished();
WorkerScriptLoaderClient* m_client { nullptr };
RefPtr<ThreadableLoader> m_threadableLoader;
RefPtr<TextResourceDecoder> m_decoder;
ScriptBuffer m_script;
URL m_url;
URL m_lastRequestURL;
URL m_responseURL;
CertificateInfo m_certificateInfo;
String m_responseMIMEType;
Source m_source;
FetchOptions::Destination m_destination;
ContentSecurityPolicyResponseHeaders m_contentSecurityPolicy;
String m_referrerPolicy;
CrossOriginEmbedderPolicy m_crossOriginEmbedderPolicy;
ResourceLoaderIdentifier m_identifier;
bool m_failed { false };
bool m_finishing { false };
bool m_isRedirected { false };
bool m_isCOEPEnabled { false };
ResourceResponse::Source m_responseSource { ResourceResponse::Source::Unknown };
ResourceError m_error;
ScriptExecutionContextIdentifier m_clientIdentifier;
#if ENABLE(SERVICE_WORKER)
std::optional<ServiceWorkerData> m_activeServiceWorkerData;
#endif
String m_userAgentForSharedWorker;
};
} // namespace WebCore